Human FoxH1 Antibody

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Product Details
Citations (2)
Supplemental Products

Human FoxH1 Antibody Summary

Species Reactivity
Detects human FoxH1 in direct ELISAs and Western blots. In direct ELISAs, less than 1% cross-reactivity with recombinant human FoxB2 is observed.
Polyclonal Sheep IgG
Antigen Affinity-purified
E. coli-derived recombinant human FoxH1
Accession # O75593
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Human FoxH1
5-15 µg/mL
Immersion fixed BG01V human embryonic stem cells

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: FoxH1

FoxH1 (also known as FAST-1) is a 39 kDa, class 2, subfamily H member of the FOX (forkhead box) family of transcription factors. It is a nuclear protein that binds DNA promoter sites. It does not independently regulate transcription but interacts with SMAD2/4 to activate, and SMAD3/4 to inhibit gene transcription. Human FOXH1 is 365 amino acids (aa) in length. It contains an NLS (aa 22‑30), one FKH (fork head) DNA-binding domain (aa 32‑128) and a SMAD-interaction region (aa 273‑354). Over aa 164‑272, human FOXH1 is 55% identical to mouse FoxH1.

Long Name
Forkhead Box J1
Entrez Gene IDs
8928 (Human)
Alternate Names
FAST1; Fast-1; FAST1forkhead box protein H1; FAST2; Fast-2; Forkhead activin signal transducer 1; Forkhead activin signal transducer 2; forkhead activin signal transducer-1; forkhead box H1; FoxH1; hFAST-1; TGF-beta/activin signal transducer

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Citations for Human FoxH1 Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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  1. Antagonism of Nodal signaling by BMP/Smad5 prevents ectopic primitive streak formation in the mouse amnion.
    Authors: Pereira P, Dobreva M, Maas E, Cornelis F, Moya I, Umans L, Verfaillie C, Camus A, de Sousa Lopes S, Huylebroeck D, Zwijsen A
    Development, 2012-09-01;139(18):3343-54.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot
  2. Chromatin and transcriptional signatures for Nodal signaling during endoderm formation in hESCs.
    Authors: Kim SW, Yoon SJ, Chuong E, Oyolu C, Wills AE, Gupta R, Baker J
    Dev. Biol., 2011-06-29;357(2):492-504.
    Species: Human
    Sample Types: Cell Lysates
    Applications: ChIP


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